#includevoid main() { char s[256],c; int i,j,n;gets(s); n=0; while ( s[n]!=0 ) n++; //计算字符个数for ( i=0;is[j] ) {c=s[i];s[i]=s[j];s[j]=c;} //排序printf("%s\n",s); //输出排好顺序的字符串}
